M86x1 adapter for ARCO 3 (PrimaLuceLab, SKU: PL3600463) PrimaLuceLab opinie

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The M86 × 1 adapter for ARCO 3" (PrimaLuceLab, SKU: PL3600463 ) enables quick and axial connection of the ARCO 3" rotator to focusers, correctors or telescope backplates equipped with an M86 × 1 thread. The adapter replaces the telescopic collar of the rotator, adding just 3.5 mm to the optical path length while maintaining the full 76 mm aperture, so it does not introduce vignetting even with full-frame sensors.

Key Features

• conversion: ARCO 3" flange → M86 × 1 external thread
• optical thickness of only 3.5 mm – minimal impact on the back-focus budget
• full internal diameter 76 mm – no vignetting for 24 × 36 mm sensors
• 6061-T6 milled aluminum, hard black anodized – lightweight and corrosion resistant
• blackened and grooved interior – effective reduction of reflections and ghosts

Set components

• M86 × 1 adapter for ARCO 3"
• four stainless steel M4 mounting screws

Technical parameters

• rotator side: flange adapted to ARCO 3"
• telescopic thread (output): M86 × 1 (external)
• optical thickness: 3.5 mm
• Inner diameter: 76 mm
• material: aluminum 6061-T6, anodized
• EAN: 8059020773946
• manufacturer: PrimaLuceLab – Italy

The PL3600463 adapter is the ideal connector when you want to integrate the ARCO 3" rotator with an accessory or focuser that has an M86 × 1 thread, while maintaining maximum optical throughput and minimal increase in track length.